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Merge branch 'for-7.3/cxl-misc' into cxl-for-next

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cxl: Deny Features commands on the RAW mailbox path
This commit is contained in:
Dave Jiang 2026-07-24 11:04:40 -07:00
commit 96ce783935
1 changed files with 7 additions and 0 deletions
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7
drivers/cxl/core/mbox.c
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@ -91,6 +91,10 @@ static struct cxl_mem_command cxl_mem_commands[CXL_MEM_COMMAND_ID_MAX] = {
*
* CXL_MBOX_OP_[GET_,INJECT_,CLEAR_]POISON: These commands require kernel
* driver orchestration for safety.
*
* CXL_MBOX_OP_[GET_SUPPORTED_FEATURES,GET_FEATURE,SET_FEATURE]: Features are
* accessed through the fwctl ABI, which applies scope-based access control.
* The RAW path would bypass those checks, so it is not permitted here.
*/
static u16 cxl_disabled_raw_commands[] = {
CXL_MBOX_OP_ACTIVATE_FW,
@ -102,6 +106,9 @@ static u16 cxl_disabled_raw_commands[] = {
CXL_MBOX_OP_GET_POISON,
CXL_MBOX_OP_INJECT_POISON,
CXL_MBOX_OP_CLEAR_POISON,
CXL_MBOX_OP_GET_SUPPORTED_FEATURES,
CXL_MBOX_OP_GET_FEATURE,
CXL_MBOX_OP_SET_FEATURE,
};
/*